I think I have a solution.
I took a piece of the hose to a hydraulic shop thinking it was SAE 100r1 which is rubber/steel braid/rubber (based on the cross section I saw) to get the reusable fitting. They told me it was not SAW 100r1, it was just rubber hose with fiber/cloth reinforcement. We peeled back the outer layer of rubber and they were right. They told me no reusable fitting since this was not a high pressure line.
At first I was doubtful, but then had an epiphany... if the hose was dumping back into the transmission, there is no way this could be high pressure.
Checked the hydraulic charts, the PTO control valve is fed from power steering return and lubricates and/or activates the PTO clutch once engaged via a solenoid. Oil is then sent, via my broken hose, back to the transmission sump. They hydraulic chart indicates that this hose only sees tank pressure, which has got to be 20 psi or less.
I picked up a foot of hose (300 psi rated, they said it matched my sample), a new banjo bolt on a barb, and a splice barb to connect to the existing hose. Need to grab some hose clamps and I'll have her patched up this weekend.
I need about 10 gal of tractor fluid now. The manual says SAE 80w that meets GL-4. I'm looking at the Tractor Supply Travelers fluid, but don't see GL-4 listed on the bucket. They list a bunch of manufactures but Mahindra is not there. Any idea if this will work? Do I need the premium version or is standard ok?
Thanks everyone for your help here and encouragement.